Pith Number

pith:UROL3PNW

pith:2019:UROL3PNWXBF4G5EPIYRUN2ZLYL

not attested not anchored not stored refs pending

Dynamics of 2D topological quadrupole insulator and Chern insulator induced by real-space topological changes

Chih-Chun Chien, Yan He

arxiv:1911.01620 v1 · 2019-11-05 · cond-mat.mes-hall

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UROL3PNWXBF4G5EPIYRUN2ZLYL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T00:21:15.884602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a45cbdbdb6b84bc3748f462346eb2bc2e771a7bb53408c45e22e150b9c372071

Aliases

arxiv: 1911.01620 · arxiv_version: 1911.01620v1 · doi: 10.48550/arxiv.1911.01620 · pith_short_12: UROL3PNWXBF4 · pith_short_16: UROL3PNWXBF4G5EP · pith_short_8: UROL3PNW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/UROL3PNWXBF4G5EPIYRUN2ZLYL \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a45cbdbdb6b84bc3748f462346eb2bc2e771a7bb53408c45e22e150b9c372071

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "805b478e69be3ccaa4f72b72f362df1d65a7bb65e40776aa94b2a75f060d0848",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-11-05T05:06:53Z",
    "title_canon_sha256": "83d477ab34805a04e1e6a447703f0a54f9bb0c182c80704565f325fe5858f247"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.01620",
    "kind": "arxiv",
    "version": 1
  }
}